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Ultegra CN-6600 HG 10-Speed Road Chain

  (2 customer reviews)
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Is this the right chain for you? We understand that Shimano's chains can get a bit confusing. The key to figuring everything out is to realize Shimano makes a newer series of chains specifically for use with 105, Ultegra and Dura Ace double chainring cranksets. These include the CN-7901, CN-6701 and CN5701. Those models use an asymmetrical link design that makes them directional, but it also limits their use to the newer 105, Ultegra and Dura Ace groups.

This CN-6600 isn't one of those. Instead, it's a good ol' 10-speed Shimano Hyperglide chain, ready for pretty much anything 10-speed you got. Triple crankset? This is your chain. It's the recommended chain to use with both the Ultegra 6703 triple and the 105 5703 triple cranksets. This chain is 6.1mm wide, so it's also compatible with other brands' 10-speed systems and even 1x10 configurations and just about anything else you can think of that has 10 gears out back.

In terms of quality, it's an Ultegra-level Shimano chain, which is to say it's incredibly well made, smooth, and quiet on most drivetrains. Hyperglide chains are generally durable and are respectably light. The CN-6600 is too narrow to work with any 9-speed system, includes 116 links, and weighs 304 grams.


Weight: 304 grams


Weight: 304 grams


Group Compatibility: Shimano 10 speed Triples 


Group Compatibility: SRAM 10 Speed 


Chain Application: 10-Speed 

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Excellent chain for a triple - use instead of CN-6701
by Old Man On Wheels
Cycling Enthusiast
Vancouver, WA
3 of 3 customers found this review helpful.

Excellent chain for a triple crank. Has lateral flexibility and shifts well. It is the same as the Dura Ace chain for triples which was discontinued - apparently the only difference is that the 6600 is less expensive. My equivalent Dura Ace chain lasted 2500 miles to the point of 116 in. wear over 12 links. I am a heavystrong rider.

Note do not use the CN-6701 for a triple. It is laterally stiff and will wear the top two cogs of the cassette out in only a few thousand miles. It will also not shift as well on a triple due to it's stiffness.

Reviewed 1/3/2017
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so far so good
Cycling Enthusiast
Fla. Montreal
2 of 3 customers found this review helpful.

I can't give much info as I only have about 1000Km on it but so far so good

Reviewed 4/5/2012
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